At 3.75 inches tall 9.5 cm ， this platform is a good height to give you a boost up or down. No assembly is required. It is fully assembled right out of the box. The four legs and additional pegs under the step help distribute your weight safely. Product dimension - 15.75" L x 19.5" W x 3.75" H Product weight - 3.48 lbs Helps the elderly - you may need a little boost to get to the next step， climb into bed， or reach a cabinet shelf This step gives you or your loved one the assist Versatile - you can use this step inside or outside. Use it as a boost into a car or at the base of your stairs Slip resistant - the four feet have slip-resistant feet， so they won't move as you stand on them， keeping you safe and secure as you step on or off Material construction - this step is made of plastic and has a pliable， slip-resistant textured panel on top Plastic Wipe Clean Imported